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Worldwide, Giuàn (Giuàn) is an extremely rare unknown gender first name.
Džons, Evan, Gian, Gianni, Giannis, Giovan, Giovanni, Giuan, Hanns, Hans, Honsa, Honza, Huans, Ian, Ieuan, Ifan, Ioan, Ioann, Ioannes, Ioannis, Ion, Ivan, Ivano, Ivans, Ivo, Iván, Iwan, Jaan, Jack, Jan, Janos, Jean, Joan, Joannes, Jogvan, Johan, Johann, Johannes, Johano, John, Johnny, Jon, João, Juan, János, Jógvan, Jóhan, Jóhann, Jóhannes, Jón,